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https://www.readbyqxmd.com/read/29691007/antimicrobial-antioxidant-and-waterproof-rtv-silicone-ethyl-cellulose-composites-containing-clove-essential-oil
#1
José A Heredia-Guerrero, Luca Ceseracciu, Susana Guzman-Puyol, Uttam C Paul, Alejandro Alfaro-Pulido, Chiara Grande, Luigi Vezzulli, Tiziano Bandiera, Rosalia Bertorelli, Debora Russo, Athanassia Athanassiou, Ilker S Bayer
Ethyl cellulose (EC)/polydimethylsiloxane (PDMS) composite films were prepared at various concentrations of PDMS in the films (0, 5, 10, 15, and 20 wt.%). Morphological and chemical analysis by EDX-SEM and ATR-FTIR showed that EC-rich matrices and PDMS-rich particles were formed, with the two polymers interacting through Hbonds. The number and diameter of particles in the composite depended on the PDMS content and allowed a fine tuning of several properties such as opacity, hydrophobicity, water uptake, and water permeability...
July 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29689877/revision-of-the-genus-adelogorgia-bayer-1958-cnidaria-anthozoa-octocorallia-with-the-description-of-three-new-species
#2
Odalisca Breedy, Hector M Guzman
The genus Adelogorgia is distinguished from other holaxonians in having conspicuously ornamented double-disc sclerites and leaf clubs in the coenenchyme, and non-mineralised axis cores. The two eastern Pacific species currently recognised as Adelogorgia are diagnosed and illustrated. Three new species for the genus are described from new localities and depth ranges. Analysis of external and internal characters, especially sclerite colours and sizes, and colony colour, shape and branching, allows separating the species...
January 5, 2018: Zootaxa
https://www.readbyqxmd.com/read/29677403/indel-variation-in-the-regulatory-region-of-the-major-flowering-time-gene-lanftc1-is-associated-with-vernalisation-response-and-flowering-time-in-narrow-leafed-lupin-lupinus-angustifolius-l
#3
Candy M Taylor, Lars G Kamphuis, Weilu Zhang, Gagan Garg, Jens D Berger, Mahsa Mousavi-Derazmahalleh, Philipp E Bayer, David Edwards, Karam B Singh, Wallace A Cowling, Matthew N Nelson
Narrow-leafed lupin (Lupinus angustifolius L.) cultivation was transformed by two dominant vernalisation-insensitive, early flowering time loci known as Ku and Julius (Jul), which allowed expansion into shorter season environments. However, reliance on these loci has limited genetic and phenotypic diversity for environmental adaptation in cultivated lupin. We recently predicted that a 1,423 bp deletion in the cis-regulatory region of LanFTc1, a FLOWERING LOCUS T (FT) homologue, de-repressed expression of LanFTc1 and was the underlying cause of the Ku phenotype...
April 20, 2018: Plant, Cell & Environment
https://www.readbyqxmd.com/read/29676732/donated-chemical-probes-for-open-science
#4
Susanne Müller, Suzanne Ackloo, Cheryl H Arrowsmith, Marcus Bauser, Jeremy L Baryza, Julian Blagg, Jark Böttcher, Chas Bountra, Peter J Brown, Mark E Bunnage, Adrian J Carter, David Damerell, Volker Dötsch, David H Drewry, Aled M Edwards, James Edwards, Jon M Elkins, Christian Fischer, Stephen V Frye, Andreas Gollner, Charles E Grimshaw, Adriaan IJzerman, Thomas Hanke, Ingo V Hartung, Steve Hitchcock, Trevor Howe, Terry V Hughes, Stefan Laufer, Volkhart Mj Li, Spiros Liras, Brian D Marsden, Hisanori Matsui, John Mathias, Ronan C O'Hagan, Dafydd R Owen, Vineet Pande, Daniel Rauh, Saul H Rosenberg, Bryan L Roth, Natalie S Schneider, Cora Scholten, Kumar Singh Saikatendu, Anton Simeonov, Masayuki Takizawa, Chris Tse, Paul R Thompson, Daniel K Treiber, Amélia Yi Viana, Carrow I Wells, Timothy M Willson, William J Zuercher, Stefan Knapp, Anke Mueller-Fahrnow
Potent, selective and broadly characterized small molecule modulators of protein function (chemical probes) are powerful research reagents. The pharmaceutical industry has generated many high-quality chemical probes and several of these have been made available to academia. However, probe-associated data and control compounds, such as inactive structurally related molecules and their associated data, are generally not accessible. The lack of data and guidance makes it difficult for researchers to decide which chemical tools to choose...
April 20, 2018: ELife
https://www.readbyqxmd.com/read/29663512/specific-biomarkers-of-myocardial-inflammation-and-remodeling-processes-as-predictors-of-mortality-in-high-risk-patients-undergoing-percutaneous-mitral-valve-repair-mitraclip
#5
Oliver Dörr, Claudia Walther, Christoph Liebetrau, Till Keller, Hannes Tabert, Niklas Boeder, Matthias Bayer, Pascal Bauer, Helge Möllmann, Luise Gaede, Christian Troidl, Sandra Voss, Timm Bauer, Christian W Hamm, Holger Nef
BACKGROUND: Specific matrix metalloproteinases (MMP-2, MMP-9) and inflammatory biomarkers (hsCRP, IL-6) were found to be consistently up-regulated in severe mitral valve regurgitation (MR) and are associated with mortality in heart failure patients. The aim of the present study was to examine the prognostic value of biomarkers of cardiac inflammation and remodeling processes in predicting mortality in patients with MR undergoing percutaneous mitral valve repair (PMVR). HYPOTHESIS: We hypothesize that increased cardiac inflammation and extracellular matrix turnover is predictive for mortality in patients with severe mitral regurgitation undergoing MitraClip...
April 17, 2018: Clinical Cardiology
https://www.readbyqxmd.com/read/29662200/targeting-sphingosine-1-phosphate-lyase-as-an-anabolic-therapy-for-bone-loss
#6
Sarah Weske, Mithila Vaidya, Alina Reese, Karin von Wnuck Lipinski, Petra Keul, Julia K Bayer, Jens W Fischer, Ulrich Flögel, Jens Nelsen, Matthias Epple, Marta Scatena, Edzard Schwedhelm, Marcus Dörr, Henry Völzke, Eileen Moritz, Anke Hannemann, Bernhard H Rauch, Markus H Gräler, Gerd Heusch, Bodo Levkau
Sphingosine-1-phosphate (S1P) signaling influences bone metabolism, but its therapeutic potential in bone disorders has remained unexplored. We show that raising S1P levels in adult mice through conditionally deleting or pharmacologically inhibiting S1P lyase, the sole enzyme responsible for irreversibly degrading S1P, markedly increased bone formation, mass and strength and substantially decreased white adipose tissue. S1P signaling through S1P2 potently stimulated osteoblastogenesis at the expense of adipogenesis by inversely regulating osterix and PPAR-γ, and it simultaneously inhibited osteoclastogenesis by inducing osteoprotegerin through newly discovered p38-GSK3β-β-catenin and WNT5A-LRP5 pathways...
April 16, 2018: Nature Medicine
https://www.readbyqxmd.com/read/29658044/unique-and-contrasting-structures-of-homoleptic-lanthanum-iii-and-cerium-iii-3-5-dimethylpyrazolates
#7
Daniel Werner, Uwe Bayer, Nazli E Rad, Peter C Junk, Glen B Deacon, Reiner Anwander
Homoleptic [La(Me2pz)3]n (Me2pz = 3,5-dimethylpyrazolato) is a μ-η2:η5-Me2pz coordination polymer with 12-coordinate La atoms in an unusual η5:η5 Me2pz sandwich, whilst the cerium congener forms a molecular tetrametallic cage [Ce4(Me2pz)12] featuring six different Me2pz coordination modes.
April 16, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29651855/surgical-treatment-of-melanoma
#8
K Novotná, M Arenbergerová, J Miletín, J Kníže, V Šandera, K Schwarzmannová, J Bayer, A Sukop
Malignant melanoma is a serious disease, the incidence of which rises. Since the most important treatment method is sufficient wide skin and subcutaneous tissue excision, plastic surgeon is often the only specialist who is able to close the resulting defect. This paper deals with recommendations and treatment options for malignant melanoma from the point of a plastic surgeon. The primary width of excised safety rim of healthy tissue with regards to the depth of melanoma invasion differs. Safety margin is 0...
2018: Acta Chirurgiae Plasticae
https://www.readbyqxmd.com/read/29651854/the-nasolabial-flap-the-most-versatile-method-in-facial-reconstruction
#9
J Bayer, K Schwarzmannová, M Dušková, K Novotná, J Kníže, A Sukop
The nasolabial flap was described 170 years ago and still remains one of the most frequently used methods in facial reconstruction. This technically easy and maximally effective procedure has become a real workhorse and an integral instrument for every plastic surgeon. Over time multiple modifications of this technique have been described. In this article, authors present an overview of nasolabial flap modalities and discuss advantages and disadvantages of these techniques.
2018: Acta Chirurgiae Plasticae
https://www.readbyqxmd.com/read/29651552/prevention-of-high-level-daptomycin-resistance-emergence-in-vitro-in-streptococcus-mitis-oralis-by-using-combination-antimicrobial-strategies
#10
Brianne Zapata, Danya N Alvarez, Sabrina Farah, Cristina Garcia-de-la-Maria, Jose M Miro, George Sakoulas, Arnold S Bayer, Nagendra N Mishra
Among the viridans group streptococci, S. mitis-oralis strains are frequently resistant to multiple β-lactams and tolerant to vancomycin (VAN). This scenario has led to the proposed clinical use of newer agents, like daptomycin (DAP) for such S. mitis-oralis strains. However, recent recognition of the rapid and durable emergence of high-level DAP-resistance (DAP-R; DAP MICs > 256 µg/ml) induced by DAP exposures in vitro and in vivo has dampened enthusiasm for such approaches. In this study, we evaluated a broad range of DAP combination regimens in vitro for their capacity to prevent emergence of high-level DAP-R in a prototype S...
April 12, 2018: Current Microbiology
https://www.readbyqxmd.com/read/29623417/peri-operative-oral-immunonutrition-in-malnourished-ovarian-cancer-patients-assessed-by-the-nutritional-risk-screening
#11
Linda Hertlein, Christine Zeder-Göß, Sophie Fürst, Daniela Bayer, Fabian Trillsch, Bastian Czogalla, Sven Mahner, Alexander Burges, Peter Rittler
OBJECTIVES: Aim of this study was to determine whether peri-operative immunonutrition can decrease complications and the length of stay (LOS) in malnourished ovarian cancer patients. STUDY DESIGN: Patients suspicious for advanced ovarian cancer before histopathological diagnosis and a nutritional risk score (NRS) ≥ 3 received oral immune-modulating diets (IMDs) for 5 days pre-operative and at least 5 days post-operative. Parameters for clinical outcome were infectious and non-infectious complications during hospital stay, and time of hospitalization...
April 5, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29619306/carbon-nanofiber-versus-graphene-based-stretchable-capacitive-touch-sensors-for-artificial-electronic-skin
#12
Pietro Cataldi, Simeone Dussoni, Luca Ceseracciu, Marco Maggiali, Lorenzo Natale, Giorgio Metta, Athanassia Athanassiou, Ilker S Bayer
Stretchable capacitive devices are instrumental for new-generation multifunctional haptic technologies particularly suited for soft robotics and electronic skin applications. A majority of elongating soft electronics still rely on silicone for building devices or sensors by multiple-step replication. In this study, fabrication of a reliable elongating parallel-plate capacitive touch sensor, using nitrile rubber gloves as templates, is demonstrated. Spray coating both sides of a rubber piece cut out of a glove with a conductive polymer suspension carrying dispersed carbon nanofibers (CnFs) or graphene nanoplatelets (GnPs) is sufficient for making electrodes with low sheet resistance values (≈10 Ω sq-1 )...
February 2018: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/29617128/processive-degradation-of-crystalline-cellulose-by-a-multimodular-endoglucanase-via-a-wirewalking-mode
#13
Kun-Di Zhang, Wen Li, Yefei Wang, Yan-Lin Zheng, Fang-Cheng Tan, Xiao-Qing Ma, Lishan Yao, Edward A Bayer, Lushan Wang, Fuli Li
Processive hydrolysis of crystalline cellulose by cellulases is a critical step for lignocellulose deconstruction. The classic Trichoderma reesei exoglucanase TrCel7A, which has a closed active-site tunnel, starts each processive run by threading the tunnel with a cellulose chain. Loop regions are necessary for tunnel conformation, resulting in weak thermostability of fungal exoglucanases. However, endoglucanase CcCel9A, from the thermophilic bacterium Clostridium cellulosi, comprises a glycoside hydrolase (GH) family 9 module with an open cleft and five carbohydrate-binding modules (CBMs) and hydrolyzes crystalline cellulose processively...
April 4, 2018: Biomacromolecules
https://www.readbyqxmd.com/read/29615706/analysis-of-the-camkii%C3%AE-and-%C3%AE-splice-variant-distribution-among-brain-regions-reveals-isoform-specific-differences-in-holoenzyme-formation
#14
Sarah G Cook, Ashley M Bourke, Heather O'Leary, Vincent Zaegel, Erika Lasda, Janna Mize-Berge, Nidia Quillinan, Chandra L Tucker, Steven J Coultrap, Paco S Herson, K Ulrich Bayer
Four CaMKII isoforms are encoded by distinct genes, and alternative splicing within the variable linker-region generates additional diversity. The α and β isoforms are largely brain-specific, where they mediate synaptic functions underlying learning, memory and cognition. Here, we determined the α and β splice-variant distribution among different mouse brain regions. Surprisingly, the nuclear variant αB was detected in all regions, and even dominated in hypothalamus and brain stem. For CaMKIIβ, the full-length variant dominated in most regions (with higher amounts of minor variants again seen in hypothalamus and brain stem)...
April 3, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29607438/reconstructive-surgery-of-true-aneurysm-of-the-radial-artery-a-case-report
#15
Sevinc Bayer Erdogan, Serdar Akansel, Nehir Tandogar Selcuk, Serap Aykut Aka
True radial artery aneurysms are uncommon pathologies and have an organic cause, unlike trauma-induced false aneurysms. A 52-year-old man presented with a pulsatile mass at the anatomical snuff box area of his left hand. The aneurysm was repaired with reconstructive procedure. Although many posttraumatic and iatrogenic cases of false aneurysm of the radial artery have been reported; there are a few reported cases of a true idiopathic aneurysm. A case of reconstructive surgery for true idiopathic radial artery aneurysm is reported in this paper...
2018: Northern Clinics of Istanbul
https://www.readbyqxmd.com/read/29605455/integration-of-in-vitro-biorelevant-dissolution-and-in-silico-pbpk-model-of-carvedilol-to-predict-bioequivalence-of-oral-drug-products
#16
Manuel Ibarra, Cristian Valiante, Patricia Sopeña, Alejandra Schiavo, Marianela Lorier, Marta Vázquez, Pietro Fagiolino
Bioequivalence implementation in developing countries where a high proportion of similar drug products are being marketed has found several obstacles, impeding regulatory agencies to move forward with this policy. Biopharmaceutical quality of these products, several of which are massively prescribed, remains unknown. In this context, an in vitro-in silico-in vivo approach is proposed as a mean to screen product performance and target specific formulations for bioequivalence assessment. By coupling in vitro biorelevant dissolution testing in USP-4 Apparatus (flow-through cell) with physiologically-based pharmacokinetic (PBPK) modeling in PK-Sim® software (Bayer, Germany), the performance of seven similar products of carvedilol tablets containing 25 mg available in the Uruguayan market were compared with the brand-name drug Dilatrend®...
March 29, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29603775/adapting-legume-crops-to-climate-change-using-genomic-approaches
#17
Mahsa Mousavi-Derazmahalleh, Philipp E Bayer, James K Hane, Valliyodan Babu, Henry T Nguyen, Matthew N Nelson, William Erskine, Rajeev K Varshney, Roberto Papa, David Edwards
Our agricultural system and hence food security is threatened by combination of events, such as increasing population, the impacts of climate change and the need to a more sustainable development. Evolutionary adaptation may help some species to overcome environmental changes through new selection pressures driven by climate change. However, success of evolutionary adaptation is dependent on various factors, one of which is the extent of genetic variation available within species. Genomic approaches provide an exceptional opportunity to identify genetic variation that can be employed in crop improvement programs...
March 30, 2018: Plant, Cell & Environment
https://www.readbyqxmd.com/read/29602269/risk-for-interspecies-transmission-of-zoonotic-pathogens-during-poultry-processing-and-pork-production-in-peru-a-qualitative-study
#18
A M Carnero, K Kitayama, D A Diaz, M Garvich, N Angulo, V A Cama, R H Gilman, A M Bayer
Interspecies transmission of pathogens is an unfrequent but naturally occurring event and human activities may favour opportunities not previously reported. Reassortment of zoonotic pathogens like influenza A virus can result from these activities. Recently, swine and birds have played a central role as "mixing vessels" for epidemic and pandemic events related to strains like H1N1 and H5N1. Unsafe practices in poultry markets and swine farms can lead to interspecies transmission, favouring the emergence of novel strains...
March 30, 2018: Zoonoses and Public Health
https://www.readbyqxmd.com/read/29595725/plastic-surgery-complications-from-medical-tourism-treated-in-a-u-s-academic-medical-center
#19
Kimberly M Ross, Andrea V Moscoso, Lauren R Bayer, Liliana Rosselli-Risal, Dennis P Orgill
BACKGROUND: Medical tourism is a growing, multi-billion dollar industry fueled by improvements in the global transportation infrastructure. The authors studied patients living in the United States who travel to other countries for plastic surgical procedures and returned to have their complications treated in the authors' center. METHODS: A retrospective patient evaluation was performed. Patients who had presented to an urban tertiary academic hospital plastic surgery service with complications or complaints associated with plastic surgery performed in a developing country were studied...
April 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29594214/sdf-1-cxcr4-expression-in-head-and-neck-cancer-and-outcome-after-postoperative-radiochemotherapy
#20
Chiara De-Colle, David Mönnich, Stefan Welz, Simon Boeke, Bence Sipos, Falko Fend, Paul-Stefan Mauz, Inge Tinhofer, Volker Budach, Jehad Abu Jawad, Martin Stuschke, Panagiotis Balermpas, Claus Rödel, Anca-Ligia Grosu, Amir Abdollahi, Jürgen Debus, Christine Bayer, Claus Belka, Steffi Pigorsch, Stephanie E Combs, Fabian Lohaus, Annett Linge, Mechthild Krause, Michael Baumann, Daniel Zips, Apostolos Menegakis
Introduction: Outcome after postoperative radiochemotherapy (RT-CT) for patients with advanced head and neck squamous cell carcinomas (HNSCC) remains unsatisfactory, especially among those with HPV negative tumours. Therefore, new biomarkers are needed to further define subgroups for individualised therapeutic approaches. Preclinical and first clinical observations showed that the chemokine receptor CXCR4 and its ligand SDF-1 (CXCL12) play an important role in tumour cell proliferation, survival, cancer progression, metastasis and treatment resistance...
August 2017: Clinical and Translational Radiation Oncology
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